Oxford Presence (Rev B).pmd
Contents
1. OXFORD MOWER Oxford Hoyer Presence Lift Professional Series SERVICE MANUAL Pages 3 4 Inspection Criteria of the Oxford Hoyer Presence Page 5 Testing of the Oxford Hoyer Presence Pages 6 13 Service and Maintenance Schedule for the Oxford Hoyer Presence Page 14 Fault Finding on the Oxford Hoyer Presence Page 15 Torque Settings for the Oxford Hoyer Presence Page 16 Exploded View of the Oxford Hoyer Presence Page 17 Parts List of the Oxford Hoyer Presence Page 18 LOLER UK only Thorough Examination Report Page 19 Blank Notes Page 294000 10015 Rev B Sunrise Medical Ltd recommends a thorough inspection and test of the Oxford Hoyer Presence and its lifting accessories slings etc is carried out every six months The examination and test should be conducted according to the recommendations and procedures below Sunrise Medical Ltd recommends authorised service dealers should carry out maintenance inspection and certified testing only Note These recommendations are in compliance with the requirements of 1998 No2307 Health and Safety The Lifting Operations and Lifting Equipment Regulations 1998 LOLER This is a UK regulation Outside the UK please check your local requirements SPREADER BAR Check the spreader bar for freedom of rotation and swing Check for wear on the central pivot and wear washer Check for firm attachment to the boom Check the security tab is visible2. Turn the lift base upside down and unscrew the 24 off M6 CSK head screws that secure the base plate to the cross member 6 Remove the base plate 294000 10015 Rev B 7 Toenable the leg pivot pin to be inspected it will be necessary to remove the set pin that holds the piston end of the actuator in place on the cross member Once the pin is removed the leg and the actuator can be lifted free from the cross member 8 Remove the leg and actuator taking care not to loose the bronze bearing washers at each end of the leg pivot pin NOTE Support the actuator to prevent damage to the mounting point still attached to the leg If any work is to be done on the leg it is safer to remove the actuator 9 The leg pivot pin can now be withdrawn and inspected 10 Clean the pin of any debris or replace the pin if worn 11 Inspect the leg pivot bush in the leg Clean the bush in the leg of any debris or replace the leg if it is worn RE ASSEMBLY OF THE LEG PIVOT PINS 1 Lubricate the leg pivot pin with any light mineral based grease or silicon spray 2 Place one of the bronze washers over the hole in the main base casting of the cross member 3 Refit the pin into the leg with the deeper shoulder of the pin going into the main base casting of the cross member 4 Place the leg over the pivot 5 Place remaining bronze washer over the leg pivot pin so that it rests on the surface of the leg bush 6 Replace the set pin after applying thr
3. on the fulcrum pin Examine sling strap retainers if present Check for effective function Check for adequate padding Inspect for excessive wear on the sling hooks and any side suspenders used in conjunction with the spreader bar Maintenance Lubricate main suspension point and central pivot as necessary BOOM Check for adequate boom padding Check for secure attachment of the boom to the mast boom pivot Make sure there is only minimal side movement of the mast boom pivot and that it is free to rotate in the mast boom pivot Check the boom is in alignment with the centreline of the hoist Check the security and for wear on the actuator unit mounting pin and mounting bracket on the boom Any excessive movement or play of the actuator must be investigated MAST Check for secure attachment of the handle bar to the mast Confirm the presence and the proper location of the mast engagement label Check the operation of the mast locking device Make sure the mast fully engages onto the base socket Check for wear on the actuator unit mounting mounting pin and mounting bracket on the mast Any excessive movement or play of the actuator must be investigated POWER PACK Check for secure attachment of the power pack mounting plate to the mast Check for secure attachment of the power pack to the mounting plate Check the function of the Emergency Stop button Check the hand control for correct functioning in both directi
4. will be valid for six months Thorough Examination Report Lifting Operations and Lifting Equipment Regulations 1998 LOLER UK ONLY LOLER requires certain information to be included on the report given to a customer after a thorough examination The information can be found in Schedule 1 page 56 in the LOLER L113 publication Sunrise Medical Ltd has prepared a Thorough Examination Report that includes all the required information and a copy can be found on page 18 Please feel free to use this as the basis of your own report 294000 10015 Rev B TOOLS REQUIRED e 21mm A F Spanner for the rear castors e 19mm or 34 inch A F Spanner for the mast and boom fixing bolts 17mm A F Spanner for the front castors e 9 16 inch A F Spanner 4 4 Hex Key for the mast boom pivot e 12 inch A F Spanner 3 16 Hex Key for the lift and leg actuator bolts 4mm Hex Key for the screws on the base plate and all other fixings e Medium Strength Thread lock BLUE type SPREADER BAR 1 The spreader bar fulcrum pin is held in place with a security pin that runs through a steel outer sleeve Remove the security pin by depressing the security tab on the one end of the pin and withdraw it from the other side 2 Examine the pin for signs of wear and for any deformation of the security tab The diameter of the pin is 10mm Reduction in diameter due to wear must not exceed 1mm before replacement 3 Withdraw the outer sleeve bush from the boom
5. e pin for signs of wear The diameter of the set pin is 9 5mm Reduction in diameter due to wear must not exceed 1mm before replacement 10 Remove the outer sleeve bush from the mast bracket and actuator mounting boss while holding the actuator carefully lower the actuator and boom to the ground 11 Examine the outer sleeve bush for wear this should not exceed 1mm 12 Examine the actuator mounting bracket on the mast for wear on the bore of the bracket this should not exceed 1mm 13 Examine the actuator bottom mounting boss for wear this should not exceed 1mm After performing all the actions and checks reassemble the actuator to the mast as follows 1 Lubricate the Set pin and sleeve with any light mineral based grease or silicon spray paying particular attention to the bearing washers and the boom pivots internal bore Replace the pin and sleeve through the actuator and mast bracket Replace washer and nyloc nut Tighten to15 Nm Confirm the presence and the proper location of the engagement label Check the mast is fully engaged as per the engagement label Check the engagement of the mast locking knob Confirm the mast will lift from the mast socket when the locking knob is unscrewed Check the electric leg opening contact assembly for secure fitment and damage or wear NOTE 1 It is most important set pin and sleeve assemblies are re assembled carefully Check to ensure complete security NOTE 2 Sunrise Medical recomm
6. e sleeve through the washer and into the boom 9 Insert the set pin into the sleeve including the steel washers and fasten the Nyloc nut Tighten to15 Nm 10 Insert the Boom pivot into the boom and refit the 12mm bolts refit M12 Nyloc nuts See note below Tighten each bolt to 15 Nm 11 Replace plastic covers NOTE Sunrise Medical recommends Nyloc nuts should always be replaced if undone NEVER fit a new pin or sleeve to a worn or damaged casting component ALWAYS torque fasteners up to the correct setting MAST 1 Remove the grey plastic covers from the top of the mast The covers are a push on fit Remove the covers by gently levering a thin blade or screwdriver between the mast and the covers 2 Check the two M12 hexagon headed bolts that hold the boom pivot casting are fully tightened to 15 Nm 3 Replace the grey plastic covers to the mast 294000 10015 Rev B 4 Check the socket headed counter sunk screws 4 which hold the push handle to the mast With a 5 mm A F Allen key confirm the screws are fully tightened to 5 Nm 5 Examine the actuator mounting point for damage or wear 6 Without taking the mounting apart check for signs of wear on the set pin 7 Check for excessive vertical and horizontal movement in the mounting This will give a good indication of wear but if there is any doubt the assembly should be stripped down as follows 8 Remove the set pin that secures the actuator to the mast bracket 9 Examine th
7. eadlock that secures the actuator piston to the centre of the cross member and tighten to 5 Nm 7 Replace the plates 8 Apply locktite to the M6 CSK screws and tighten them to 5 Ncm 9 Ensure the leg actuators opens and closes the legs correctly NOTE Before applying threadlock to any screw or bolt check it can be screwed into the component without hindrance from old remaining threadlock As this could affect the proper torque setting CROSS MEMBER LEG ACTUATORS 1 Toremove the actuators you will need to remove the base plate and leg assemblies as per the procedure in section CROSS MEMBER LEGS LEG PIVOT PINS 2 The set pins can now be removed from the leg end on the actuators 3 Disconnect the bullet connectors on the wiring looms to remove the actuators from the hoist 4 After inspection or replacement reconnect the bullet connectors 294000 10015 Rev B 5 Refit the set pin and nyloc nut for the actuator on the leg end first and tighten to 5 Nm 6 Replace the set pin after applying threadlock that secures the actuator piston to the centre of the cross member and tighten to 5 Nm 7 Replace the plates 8 Apply locktite to the M6 CSK screws and tighten them to 5 Nm 9 Ensure the leg actuators opens and closes the legs correctly NOTE 1 Sunrise Medical recommends Nyloc nuts should always be replaced if undone NOTE 2 Before applying Locktite to any screw or bolt check it can be screwed into the component without hind
8. end hold the spreader bar while doing this as the spreader bar may fall inspect the sleeve for wear as per the pin 4 Remove the black plastic shrouds 2 off from the spreader bar pivot and examine for damage The shrouds are an important guard against finger traps Make sure it will perform this function Discard and replace if necessary 5 Remove the rubber moulding from the spreader bar The moulding is split along the bottom edge and will pull off the spreader bar quite easily 6 Take off and retain the O ring that holds the main pivot in the spreader bar central boss 7 Examine the main pivot and the central boss for wear 8 Main pivot Check for wear on the cross hole for the fulcrum pin The hole is 10mm in diameter wear should not exceed 1mm on diameter or 2mm elongation before replacement 9 Check the condition of the white acetyl wear washer that sits on the pivot shoulder The wear washer is there to stop metal to metal contact on the pivot shoulder and the central boss on the spreader bar assembly If the washer shows any signs of deformation or wear it should be replaced 10 Spreader bar sling hooks Check for wear particularly if used in conjunction with side suspenders The sling hooks are made from 9 5mm diameter material Reduction in diameter by wear should not be allowed to exceed 2mm before replacement 11 IMPORTANT Side suspenders are often used in conjunction with the lift spreader bar These may be stored awa
9. ends Nyloc nuts should always be replaced if undone NEVER fit a new pin or sleeve to a worn or damaged casting component ALWAYS torque fasteners up to the correct setting BATTERY PACK amp CONTROL UNIT 1 Confirm the mounting bracket is firmly attached to the mast Three M6 cap head screws secure the mounting bracket Confirm the screws are fully tightened to 5 Nm 294000 10015 Rev B 2 Checkthe engagement of the battery pack with the mounting The battery pack should snap into place and be retained by a latch at the top of the pack Make sure the latch is functioning correctly and holds the battery pack firmly in place 3 Check the actuator and hand control plugs are inserted fully into the appropriate socket on the base of the control unit The plugs particularly the hand control plug are a tight fit in the sockets and must be pushed fully home The hand control plug is indexed and can only be fitted in one position The other plug is not indexed and can be fitted with a straight push 4 Inspect the hand control and coiled lead for any obvious signs of damage Damage to the hand control and particularly to the lead can cause intermittent faults The hand control should be replaced if damage is evident The mounting hook on the rear top of the hand control can be replaced by unscrewing two screws and fitting a new hook 5 Check the operation of the hand control Press the up and down buttons and confirm the boom moves in the prope
10. exceed 1mm 11 Examine the split bushes for wear this should not exceed 0 5mm 12 Reassemble the actuator to the boom bracket by replacing the sleeve plastic washers set pin and nut 13 Tighten the nyloc nut to 5 Nm NOTE Sunrise Medical recommends Nyloc nuts should always be replaced if undone ALWAYS torque fasteners to the correct setting MAST BOOM PIVOT 1 Checkthe pivot for lateral vertical and horizontal play that would indicate excessive wear Signs of excessive wear must be investigated and the pivot stripped down Lateral play at the pivot point must not exceed 1 mm before replacement 2 Remove the plastic SUNRISE logo covers from the Boom pivot 3 Check the Set pin is tightened to 8 Nm 4 Replace the plastic SUNRISE logo covers from the Boom pivot REMOVAL OF THE MAST BOOM PIVOT Construction of the mast boom pivot comprises of 8 components 1 off 2 125ins x 0 500ins x 3 8BSW Set pin 1 off 3 8BSW Nyloc Nut 2 off 25mm x 13mm x 2mm steel washers 1 off 20mm O D outer sleeve 2 off 80mm x 1 5mm plastic pivot bearing washers and 1 off boom pivot casting 1 Toremove the boom Pivot it is advisable to first remove the two M12 bolts from the boom end this will enable the pivot to be removed and replaced more easily 2 The boom pivot is held in place with a set pin 3 Remove the pin 4 Examine the pin for signs of wear The diameter of the pin is 12 7mm Reduction in diameter due to wear must not exceed 1 mm before replace
11. k Torgue 5 NM without threadlock Torque 10 Nm on all 4 castor stems front and rear and with threadlock Torque 5 Nm with threadlock on these 2 bolts All bolts circled in red are torqued with 5 Nm with threadlock Torque 5 Nm without threadlock on these 2 bolts rque 8 Nm with out threadlock 294000 10015 Rev B lt 15 16 17 reji OXFORD HOYER PRESENCE Ed PART NUMBER DESCRIPTION 0Y0066 100mm rear castor braked 0Y0263 Straight line steering device 0Y0073 100mm front castor including tightening wrench wrench not shown 0Y0082 Mast extrusion including labels 0Y0083 Boom extrusion inc boom end caps and labels except Oxford Hoyer dome label 0Y0084 Push handle assembly inc fixings 0Y0089 Casted boom to mast pivot joint includes connection bolts fixings spacers 0Y0048 Spreader bar assembly complete 2 point 0Y0050 Spreader bar assembly complete 4 point 0Y0080 Base assembly including base casting bottom plate and labels not internal parts 0Y0085 Left leg extrusion including fixings 0Y0086 Right leg extrusion including fixings 0Y0074 Linak controller 4 way 0Y0067 Linak battery 0Y0075 Linak hand control 4 way 0Y0071 Linak charge lead UK 0Y0114 Linak charge lead US 0Y0072 Linak charge lead EU 0Y0087 Linak actuator 400mm stroke inc location pins sleeves washers circlips and labels 0Y0069 Linak battery and controller including brackets fixings 0Y0081 Linak leg openi
12. maining threadlock As this could affect the proper torque setting 294000 10015 Rev B e Problem Hoist not working Possible Fault Can be identified by a LCD panel that will have the word STOP and a picture of a plug in the panel Turn red button clockwise or anticlockwise try both and release Emergency stop switch activated Can be identified by a LCD panel that will have Flat batteries none of the four blocks illuminated audible beep should have been heard prior to this Power supply disconnected Push battery into place until a CLICK can be detachable battery packs heard Completely flat batteries discharged beyond recovery Re ple e e Problem Hoist won t go up or won t go down Possible Fault Push plug firmly into socket in an emergency use of the Emergency raise and lower function on the control box will suffice Anti crush micro switch activated Check for correct function of micro switch or Safety Device remove any obstacle that may have come between the boom as it was lowering Actuator jack plug disconnected Checkout plug and re connect Actuator socket damaged Replace control box e Problem Electric Leg Operation not working one or both legs not moving 294000 10015 Rev B Hand control plug not fully engaged All 3 bolts on battery Torque 5 Nm on the 2 bracket are torqued bolts on spreader bar 5 Nm with threadlock All 4 bolts on handle frame are torqued 5 Nm and with threadloc
13. ment 5 Withdraw the outer sleeve bush from the boom pivot if you did not remove the two M12 bolts hold the boom while doing this as it may fall forwards 6 Inspect the sleeve for wear as per the fulcrum pin 294000 10015 Rev B 7 Remove the plastic bearing washers 20ff from the pivot and examine for any wear or damage Lateral movement at the pivot is most likely to be because of wear on the washers 8 Examine the Mast Pivot casting the pivots internal bore and the holes in the mast in particular for wear or damage The bore and holes are 20mm in diameter wear should not exceed 1 mm on diameter before replacement RE ASSEMBLING THE MAST BOOM PIVOT After performing all the actions and checks in section 5 reassemble the Mast Boom pivot as follows 1 Lubricate the Set pin and sleeve with any light mineral based grease or silicon spray paying particular attention to the bearing washers and the boom pivots internal bore Insert one end of the outer sleeve into the hole on one side of the mast Refit the Boom pivot and one bearing washer into the top of the mast Align the holes in the mast bearing washer and Boom pivot Insert the sleeve into the holes and ensure it passes into the boom hole on the opposite side 6 Pull back the sleeve until it is inside the pivot 7 Insert the remaining bearing washer between the pivot and the inside of the mast 8 Line up the hole of the washer with the bore of the pivot and push th
14. ng actuators 30mm stroke including bolts and fixings 0Y0091 Decal set Oxford not shown no serial number labels 0Y0090 Decal set Hoyer not shown no serial number labels 0Y0126 Sunrise Pivot Caps 0Y0088 Fixings Kit all bolts screws and fixings 0Y0070 Handset clip not shown 0Y0077 Mast to base electrical connection kit including wires 0Y0078 Foot push pad assembly complete 0Y0079 Mast locking knob assembly including plastic base insert 0Y0128 Caster tightening wrench not shown 0Y0053 Linak charger and stand assembly not shown 0Y0129 Base to actuator electrical connection kit including wires 0Y0108 Boom to mast pivot plastic caps 0Y0076 Mast side caps 0Y0222 Quick release pin kit ex ex Sy A Sal E IND WM e K gt eh iXX X cx Ny 294000 10015 Rev B Lifting Operations and Lifting Equipment Regulations 1998 Schedule 1 Client Name amp Address Address of Examination Model Serial No Date of Manu Date of last Examination Safe Working Load Commissioning Examination J Yes No Safe to Operate J Yes ANo Periodic Examination J Yes No Interval of Examination 46 Months 12 Months Examination Scheme Exceptional Safe to Operate J Yes No N A Defective Parts Immediate Attention Part Number Action Taken Next examination due date Load test cond
15. ons i e lift and lower Check the fit of the hand control plug and socket Inspect the actuator plug for correct fitting Check the operation of the emergency raise and lowering function 294000 10015 Rev B ELECTRIC LEG ADJUSTMENT Operate the leg opening buttons on the hand control and check the legs open and close correctly Check the legs are locked when the hand control button is released LEG PIVOTS Check the leg pivots are secure and the legs pivot freely Any stiffness must be investigated Make sure there is no excessive play in the leg pivots CASTORS Check all castors for firm attachment to the legs Check for free rotation of the castor and the wheels Remove any build up of threads hair or fluff Lubricate if necessary with a light mineral based grease Check correct operation of the brakes ACTUATOR The actuator should require no maintenance Check for correct operation Check for correct operation of mechanical emergency lowering device Confirm anti crush precautions are operational Listening for unusual noise Check for wear on the mounting boss top and bottom Any excessive movement or play of the actuator must be investigated BATTERIES The batteries in the power pack should not require maintenance other than regular charging as detailed in the charging instructions CHARGING UNIT Confirm the charger unit is charging the battery pack Check mains plug is fitted with the correct rated f
16. r direction 6 Pressthe leg open and close buttons and confirm the legs move in either direction 7 Check the operation of the Emergency stop switch Push in the red button this will latch and remain depressed and cut off all power to the lift 8 Confirm by looking at the LCD panel that should now state the word STOP and show the image of a plug by the side of it and by using the hand control 9 Return power to the lift by twisting the red button clockwise and releasing The LCD panel should no longer be showing the word STOP or the image of a plug and battery power should now be displayed instead Check the operation of the Emergency raise and descent buttons These are small flush buttons on the front of the control unit under the Emergency stop switch labelled EMERGENCY and an up and a down arrow The button is operated by pushing with a ballpoint pen or similarly shaped object CROSS MEMBER LEGS LEG PIVOT PINS 1 Check the leg pivots are secure and tightened to 5 Nm and the legs pivot freely Any stiffness must be investigated 2 Check that there is no excessive play in the leg pivots 3 Support the underside of the cross member so the front castors are off the floor and check the up and down movement of the leg Movement in excess of 5 mm is not acceptable and the pivot should be stripped down for closer inspection 4 Removal of the legs leg pivots can be done as follows 5 Remove the mast and boom assembly and set aside
17. rance from old remaining threadlock As this could affect the proper torque setting REAR CASTORS 1 Checkthe front and rear castors are firmly fixed to the legs Remove any loose castors with a 212mm A F Spanner re assemble with Loctite or similar thread locking compound Tighten to 10 Nm 2 Make sure the castors swivel and the wheels rotate freely Remove any build up of threads hair or fibres that may clog the bearings and prevent free rotation Lubricate if necessary with a light mineral based grease or silicon spray 3 Check the action of the brakes on the rear castor A foot operated pedal activates the brake Check the brake pedal locks in place and that the castor does not move when the brakes are engaged NOTE Before applying Locktite to any screw or bolt check it can be screwed into the component without hindrance from old remaining Locktite As this could affect the proper torque setting FRONT CASTORS 1 Checkthe front and rear castors are firmly fixed to the legs Remove any loose castors with a 21mm A F Spanner re assemble with threadlock Tighten to 10 Nm 2 Make sure the castors swivel and the wheels rotate freely Remove any build up of threads hair or fibres that may clog the bearings and prevent free rotation Lubricate if necessary with a light mineral based grease or silicon spray NOTE Before applying threadlock to any screw or bolt check it can be screwed into the component without hindrance from any old re
18. re the wear washer is on the pivot and the spreader bar is completely secure before leaving the hoist BOOM 1 Remove the grey plastic covers from the top of the boom The covers are a push on fit Remove the covers by gently levering a thin blade or screwdriver between the boom and the covers 2 Checkthe two M12 hexagon headed bolts that hold the boom pivot casting are fully tightened to 15 Nm 3 Replace the grey plastic covers to the boom 4 Examine the actuator mounting point Without taking the mounting apart check for signs of wear on the fulcrum pin Check for excessive vertical and horizontal movement in the mounting This will give a good indication of wear but if there is any doubt the assembly should be stripped down as follows 5 Remove the set pin from the actuator bracket 6 Examine the pin for signs of wear The diameter of the fulcrum pin is 9 5mm Reduction in diameter due to wear must not exceed 1 mm before replacement 294000 10015 Rev B 7 Remove the outer sleeve bush from the boom bracket and actuator top while holding the actuator carefully lower the actuator to the ground Take care not to loose the nylon spacers on either side of the actuator on the inside wall of the boom 8 Examine the outer sleeve bush for wear this should not exceed 1mm 9 Examine the actuator mounting on the boom for wear on the bore of the bracket this should not exceed 2mm 10 Examine the actuator top for wear this should not
19. ucted according to 4 BS 5827 1 BS EN ISO 10535 Other state Thorough examination carried out Date Name of Examiner Job Title On behalf of Company Organisation Address Signed Signed on behalf Name amp address Date of Report 294000 10015 Rev B 294000 10015 Rev B 294000 10015 Rev B SUNRISE MEDICAL Sunrise Medical Limited High Street Wollaston Stourbridge West Midlands DY8 4PS England Tel 44 0 1384 44 66 22 Fax 44 0 1384 44 66 44 www sunrisemedical com
20. use Check the safety of the input and output lead wiring CLEANING Clean with ordinary soap and water and or any hard surface disinfectant Harsh chemical cleaners or abrasives should be avoided as these may damage the surface finish of the lift Avoid wetting any of the electrical parts 294000 10015 Rev B LOAD TEST The load test should be carried out in accordance with the manufacturers test procedures It is strongly recommended that an authorised service dealer carry out the test Oxford Electric hoists have been designed to the requirements of 1 BSEN ISO 10535 1998 Hoists for the transfer of disabled persons The hoists are designed to lift the Safe Working Load only The load lifting capability is set electronically and must not be increased as this causes excessive loading when the actuator reaches the limits of travel This will affect the actuator s useful life 2 BSEN ISO 10535 Load Raising Test This test is a straightforward lift of a load the equivalent to the Safe Working Load from the lowest position to highest position of the hoist TEST LOADS OXFORD HOYER PRESENCE 227kgs 500lbs The load test should be carried out in accordance with the manufacturers test procedures It is strongly recommended that an authorised service dealer carries out the test CERTIFICATION An authorised service dealer will issue a test certificate after satisfactory completion of the thorough inspection and test This certificate
21. y from the lift It is important side suspenders are checked for wear Side suspenders are made from 9 5mm material Reduction in diameter by wear at the suspension point or the hooks should not be allowed to exceed 2mm before replacement 294000 10015 Rev B 12 Examine the sling strap retainers Check that the plastic discs are fitted and move smoothly on the central shafts Check the screw through the central shafts for tightness 13 Ifthe screws are loose they should be tightened after reapplying threadlock to 5 Nm NOTE If the retainers are missing they should be replaced RE ASSEMBLY OF THE SPREADER BAR After performing all the actions and checks in section 1 reassemble the spreader bar as follows 1 Lubricate the main pivot fulcrum pin and sleeve with any light mineral based grease or silicon spray paying particular attention to the pivot shoulder wear washer and the fulcrum pin cross hole 2 Fitthe main pivot to the spreader bar central boss Refit the retaining O ring Check rotation of the pivot in the boss 3 Replace the rubber moulding 4 Fitthe black plastic shrouds to the spreader bar pivot and insert into the boom end Line up the holes in the boom shrouds and pivot and insert the sleeve 5 Insert the security pin into the outer sleeve ensuring that the security tab is visible when it passes through the outer sleeve NOTE It is most important that the spreader bar assembly is carefully checked to ensu
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